Consult with your doctor if you experience recurrent, sudden, severe dizziness or prolonged episodes of dizziness, faintness, lightheadedness or vertigo. 1  Definition. 2  Causes.
Dosage of castor oil for constipation relief. Castor oil is taken internally. According to Dr.Mercola and World Health Organization the castor oil intake should not prevail 0.7 mg/kg body weight per day. It is one tablespoon for adults and one teaspoon for children.
If you want to learn how castor oil laxative can relieve constipation, here are the steps on how to do just that: 1  Determine the dosage of castor oil that you need. 2  Take the castor oil immediately after you wake up and before you eat breakfast, since it works best on an empty stomach.